Finding the Fourth Proportional to 98,365,197.96, 135,687,069 and 63,557,887.14
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Solution
The fourth proportional to 98,365,197.96, 135,687,069 and 63,557,887.14 is: 87,673,116.07
Step by Step Solution
- Step 1: Write the proportion equation
98,365,197.96 : 135,687,069 = 63,557,887.14 : x - Step 2: Convert to fraction form
98,365,197.96/135,687,069 = 63,557,887.14/x - Step 3: Cross multiply
98,365,197.96x = 135,687,069 × 63,557,887.14 - Step 4: Simplify right side
98,365,197.96x = 8,623,983,417,859,393 - Step 5: Solve for x
x = 8,623,983,417,859,393/98,365,197.96 - Step 6: Final answer
x = 87,673,116.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.